Hi Dan
On Tue, Mar 05, 2024 at 04:48:28PM +0000, Daniel Scally wrote:
> The Mali-C55 ISP by ARM requires 20-bits per colour channel input on
> the bus. Add a new media bus format code to represent it.
>
> Acked-by: Nayden Kanchev <nayden.kanchev@xxxxxxx>
> Signed-off-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx>
Reviewed-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>
Thanks
j
> ---
> Changes in v3:
>
> - None
>
> Changes in v2:
>
> - none
>
> .../media/v4l/subdev-formats.rst | 168 ++++++++++++++++++
> include/uapi/linux/media-bus-format.h | 3 +-
> 2 files changed, 170 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> index eb3cd20b0cf2..269b61926855 100644
> --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
> +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> @@ -2223,6 +2223,174 @@ The following table list existing packed 48bit wide RGB formats.
>
> \endgroup
>
> +The following table list existing packed 60bit wide RGB formats.
> +
> +.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
> +
> +.. _v4l2-mbus-pixelcode-rgb-60:
> +
> +.. raw:: latex
> +
> + \begingroup
> + \tiny
> + \setlength{\tabcolsep}{2pt}
> +
> +.. flat-table:: 60bit RGB formats
> + :header-rows: 3
> + :stub-columns: 0
> + :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
> +
> + * - Identifier
> + - Code
> + -
> + - :cspan:`31` Data organization
> + * -
> + -
> + - Bit
> + -
> + -
> + -
> + -
> + - 59
> + - 58
> + - 57
> + - 56
> + - 55
> + - 54
> + - 53
> + - 52
> + - 51
> + - 50
> + - 49
> + - 48
> + - 47
> + - 46
> + - 45
> + - 44
> + - 43
> + - 42
> + - 41
> + - 40
> + - 39
> + - 38
> + - 37
> + - 36
> + - 35
> + - 34
> + - 33
> + - 32
> + * -
> + -
> + -
> + - 31
> + - 30
> + - 29
> + - 28
> + - 27
> + - 26
> + - 25
> + - 24
> + - 23
> + - 22
> + - 21
> + - 20
> + - 19
> + - 18
> + - 17
> + - 16
> + - 15
> + - 14
> + - 13
> + - 12
> + - 11
> + - 10
> + - 9
> + - 8
> + - 7
> + - 6
> + - 5
> + - 4
> + - 3
> + - 2
> + - 1
> + - 0
> + * .. _MEDIA-BUS-FMT-RGB202020-1X60:
> +
> + - MEDIA_BUS_FMT_RGB202020_1X60
> + - 0x1026
> + -
> + -
> + -
> + -
> + -
> + - r\ :sub:`19`
> + - r\ :sub:`18`
> + - r\ :sub:`17`
> + - r\ :sub:`16`
> + - r\ :sub:`15`
> + - r\ :sub:`14`
> + - r\ :sub:`13`
> + - r\ :sub:`12`
> + - r\ :sub:`11`
> + - r\ :sub:`10`
> + - r\ :sub:`8`
> + - r\ :sub:`8`
> + - r\ :sub:`7`
> + - r\ :sub:`6`
> + - r\ :sub:`5`
> + - r\ :sub:`4`
> + - r\ :sub:`3`
> + - r\ :sub:`2`
> + - r\ :sub:`1`
> + - r\ :sub:`0`
> + - g\ :sub:`19`
> + - g\ :sub:`18`
> + - g\ :sub:`17`
> + - g\ :sub:`16`
> + - g\ :sub:`15`
> + - g\ :sub:`14`
> + - g\ :sub:`13`
> + - g\ :sub:`12`
> + * -
> + -
> + -
> + - g\ :sub:`11`
> + - g\ :sub:`10`
> + - g\ :sub:`9`
> + - g\ :sub:`8`
> + - g\ :sub:`7`
> + - g\ :sub:`6`
> + - g\ :sub:`5`
> + - g\ :sub:`4`
> + - g\ :sub:`3`
> + - g\ :sub:`2`
> + - g\ :sub:`1`
> + - g\ :sub:`0`
> + - b\ :sub:`19`
> + - b\ :sub:`18`
> + - b\ :sub:`17`
> + - b\ :sub:`16`
> + - b\ :sub:`15`
> + - b\ :sub:`14`
> + - b\ :sub:`13`
> + - b\ :sub:`12`
> + - b\ :sub:`11`
> + - b\ :sub:`10`
> + - b\ :sub:`9`
> + - b\ :sub:`8`
> + - b\ :sub:`7`
> + - b\ :sub:`6`
> + - b\ :sub:`5`
> + - b\ :sub:`4`
> + - b\ :sub:`3`
> + - b\ :sub:`2`
> + - b\ :sub:`1`
> + - b\ :sub:`0`
> +
> +.. raw:: latex
> +
> + \endgroup
> +
> On LVDS buses, usually each sample is transferred serialized in seven
> time slots per pixel clock, on three (18-bit) or four (24-bit)
> differential data pairs at the same time. The remaining bits are used
> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
> index f05f747e444d..8633818cc33c 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -34,7 +34,7 @@
>
> #define MEDIA_BUS_FMT_FIXED 0x0001
>
> -/* RGB - next is 0x1026 */
> +/* RGB - next is 0x1027 */
> #define MEDIA_BUS_FMT_RGB444_1X12 0x1016
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002
> @@ -72,6 +72,7 @@
> #define MEDIA_BUS_FMT_RGB888_1X36_CPADLO 0x1021
> #define MEDIA_BUS_FMT_RGB121212_1X36 0x1019
> #define MEDIA_BUS_FMT_RGB161616_1X48 0x101a
> +#define MEDIA_BUS_FMT_RGB202020_1X60 0x1026
>
> /* YUV (including grey) - next is 0x202f */
> #define MEDIA_BUS_FMT_Y8_1X8 0x2001
> --
> 2.34.1
>
